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1
Combustion head
2
Ignition electrodes
3
Screw for combustion head adjustment
4
Sleeve
5
Fan motor
6
RWF 55 modulator (with analog output 4-20 mA)
7
Air pressure switch
8
UV flame sensor
9
Burner terminal board "X1"
10 Holes for cables grommets for electrical wirings, accessories
and power supply (to be carried out by the installer)
11 Control box for checking flame and air/fuel ratio
12 Operator panel with LCD display
13 Flame inspection window
14 Variable speed sensor
15 Slide bars for opening the burner and inspecting the combus-
tion head
16 Safety oil solenoid valve
17 Valve assembly with pressure regulator on nozzle return
18 Gas pressure test point and head fixing screw
19 Air pressure test point
20 Air actuator
21 Pump motor
22 Low oil pressure switch
23 Pilot attachment
24 Pump
25 Gas train flange
26 Boiler mounting flange
27 Flame stability disk
28 Screw securing fan to sleeve
29 Max. gas pressure switch
30 Ignition transformers "T2" (for gas operation)
31 Lifting rings and extension bars
32 Oil/gas actuator
33 High oil pressure switch
34 Ignition transformer "T1" (for oil operation)
35 Terminal board for oil valve "X2"
36 Timer module and relay "KO1"
37 Timer module and relay "KG1"
38 "K3" relay
39 "K2" relay
40 "K1" relay
41 "KG2" relay
42 "K5" relay
43 Horn
44 Auxiliary fuse
45 Switch "OFF - ON"
46 Switch "LOCAL REMOTE"
47 Button "ALARM SILENCE"
48 Switch "OIL - OFF - GAS"
49 Signal "POWER ON"
50 Signal "CALL FOR HEAT
51 Signal "ALARM"
52 Signal "IGNITION ON"
53 Signal "FUEL ON"
54 Optional holes
55 Ground terminals
56 Pump motor contactor and thermal relay with reset button
57 Delivery oil solenoid valve
58 Return oil solenoid valve
59 DIN bar for fuse holder step-down transformer and OCI
412.10
60 "KMV" relay
Technical description of the burner
61 "K7" relay
62 Anchor plate for installation of step down transformer
Two types of burner failure may occur:
Flame safeguard lock-out
Pump motor trip
11
GB
If the flame safeguard alarm 51)(Fig. 5) lights up, it indicates
that the burner is in lock-out. To reset, press the reset push-
button.
release by pressing the pushbutton on thermal overload
56)(Fig. 5). See "Thermal relay calibration" on page 29.
20096088
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